Abstract: I welcome you to the fourth issue of the IEEE Communications Surveys and Tutorials in 2021. This issue includes 23 papers covering different aspects of communication networks. In particular, ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Michael Boyle is an experienced financial professional with more than 10 years working with ...

If you've ever bought a new car before, you know that the price you see in the newspaper or on a dealer website is often not the amount you'll end up paying to drive off the lot. Added fees, mandatory ...

Belgian businesses are facing a major shake-up as traditional paper and PDF invoices are scrapped in favour of a new international network system called Peppol. As of 1 January 2026, all invoices ...